Sanguine and sepia crayons are made from high-grade pigments and Chasov Yar clay. These monochromatic drawing crayons are intended for use in drawing on paper or primed canvas. Each stick measures 0.94 cm W x 5.62 cm L (3/8” W x 2 1/4” L). Wooden box comes with 20 assorted sanguine and sepia sticks; five each of light and dark shades. Set of 20.